Radio Vista — Pericardial effusion teaching cine

SOURCE
Zhang Q, Wang D, Liu Y. Mediastinal effusion due to pericardiocentesis with cardiac tamponade: a case report. BMC Anesthesiology 21, 172 (2021).
https://doi.org/10.1186/s12871-021-01385-8
Additional file 1: apical four-chamber echocardiography BEFORE pericardiocentesis.
Copyright 2021 The Authors. Creative Commons Attribution 4.0 International.
https://creativecommons.org/licenses/by/4.0/
The article states that written informed consent for publication was obtained.

PREPARATION
Original MP4: 1024 x 768, 30 fps. Nineteen consecutive frames starting at 3.0 seconds, cropped to x=220, y=120, width=760, height=480. Peripheral machine text and identifiers are excluded. No diagnostic pixels have been painted out, generated or retouched. WebP encoding; short cine loop. The cropped view focuses on the apical fluid pocket; it does not show the complete ultrasound field.
The bright myocardial surface and the outer pericardial boundary enclose the visible dark fluid pocket. A manually placed inset contour follows part of that pocket through the selected frames. It is an educational orientation guide, not a clinical segmentation, fluid measurement or validated automated annotation. Clinical review pending.
The published case had acute effusion and tamponade after inferior vena cava filter removal. Do not use this clip alone to infer tamponade severity or treatment.

Educational background: Pérez-Casares et al., Echocardiographic Evaluation of Pericardial Effusion and Cardiac Tamponade (2017), https://doi.org/10.3389/fped.2017.00079

ANATOMICAL GUIDES (28 October 2026)
Additional manually placed, frame-indexed inset guides identify visible portions of the four chambers. Mitral and tricuspid markers locate the atrioventricular valve regions; they are not leaflet segmentations. The left atrial border is less distinct in the far field. These are educational orientation guides, not measured chamber volumes or validated diagnostic contours. Clinical review pending.
Reference: Mitchell et al. ASE comprehensive transthoracic echocardiographic examination recommendations (2019), https://www.asecho.org/wp-content/uploads/2019/01/2019_Comprehensive-TTE.pdf

EFFUSION GUIDE UPDATE
The inset guide extends from the apex along the clearly visible image-left external fluid rim. It stops before the deeper indistinct boundary and is explicitly labelled as a visible portion of the published circumferential effusion. It must not be used as a full-fluid segmentation or measurement. Clinical review pending.